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Windows 7: My motherboard is singing: this can't be a good thing

08 Aug 2013   #1
pxfragonard

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 
My motherboard is singing: this can't be a good thing

Last time my motherboard sang it was bad news. I used the HP diagnostic tests and it showed up nothing wrong. The only thing new is that sometimes icons disappear from the taskbar. I go into taskbar, uncheck something and check it, save it and all's well. But there must be a bug. The only new thing was to download Brink's shortcuts to the power profiles but Brink's stuff's always good stuff. I had a new video card put in about 6 months ago with a new power supply to go with it and my mechanic guy seems to know what he's doing. How much time do I have? What's the best course of action? I try not to overreact with computers. Thanks in advance.


My System SpecsSystem Spec
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08 Aug 2013   #2
Brink

64-bit Windows 10 Pro
 
 

Hello pxfragonard,

When you say singing, what exactly does it sound like? A whining, squealing, or whistling type noise?

Does this happen all the time, or only after your system gets hot?

You might open up the case and see if you may be able to determine exactly where it's coming from. Some possible sources would be any fans, video card fan, or HDD's.
My System SpecsSystem Spec
08 Aug 2013   #3
pxfragonard

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

None of the three, Sean. It is definitely a tune. A rather happy little tune. I don't recognize it. It happened last time I turned the machine on. I think it was off with the power switch off, which would rule out overheating. Thanks for your response. I'll open the case tomorrow when I have more time. Maybe it's dusty or something.
My System SpecsSystem Spec
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08 Aug 2013   #4
MeOnMine

Windows 7 Ultimate x64 SP1 OEM
 
 

Sounds like a FET is singing to you. (Field Effect Transistor).
FETs are found in your power supply, around your CPU for power control and on high end video cards for power control.
Use a piece of tube to your ear and point it in the different directions to the components in your PC this may show you the culprit.

It could sing for a long time before it expires, although you will more than likely get sick of it before then.
My System SpecsSystem Spec
08 Aug 2013   #5
linnemeyerhere

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate 64
 
 

Sounds like a singing capacitor.
My System SpecsSystem Spec
08 Aug 2013   #6
pxfragonard

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Thanks MeOnMine. I do have a high end video card because I use Photoshop and Lightroom to develop rather large photo files. The power supply was replaced with the card because my tech said without it, it would blow. So that sounds like a good idea to use the piece of tube to try to track it down.

But the sound hasn't recurred since turning it on. It would be hard to track it down if it doesn't sing

@linnemeyerhere: Thanks very much. I'll use the method of discovery above to see what it is.

Many thanks to you kind souls. What a great site this is!
My System SpecsSystem Spec
09 Aug 2013   #7
madcratebuilder

Win8/8.1,Win7-U64, Vista U64, uncounted Linux distor's
 
 

Quote   Quote: Originally Posted by linnemeyerhere View Post
Sounds like a singing capacitor.
+1

Some well coat the caps with clear nail polish to change their tune.
My System SpecsSystem Spec
16 Aug 2013   #8
pxfragonard

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Update: It started singing again. It took a week for it to happen again. I took the side off to look and I'm blowing the worst of the dust out. Then I noticed something odd. The fan on top of the new graphics card is still covered in its plastic. I'm not sure that looks right. But how to remove it safely is something I'm going to take my time to do. Can anyone advise on the right way to go about this please? I don't want to pull anything out of place. I'm very inexperienced.
My System SpecsSystem Spec
16 Aug 2013   #9
UsernameIssues

W7 Pro SP1 64bit
 
 

What video card do you have? (You might want to update your system specs.)
My System SpecsSystem Spec
16 Aug 2013   #10
pxfragonard

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

On the box it reads Radeon HD 6750 but now I have a new problem. After dusting the machine with a photo blower and my mouth I turned it on and.... no picture. I'm using my other machine to type this. It's connected to a KMV switch but I unplugged that and tried it straight into the monitor. No picture!
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